... . Mineral fiber decorative acoustic board is a high-grade interior decorative materiel with the slag fiber as the main raw ... coating after being added with assitive.As the high-grade interior design of high-calss buildings such as hotels,restaurants,gymnasiums, ... 12mm,14mm,15mm,18mmEdgeSquare,regular,concealed and shiplapSpecial Color and design can be produced according to customer's request. Mineral ...